如果新换的机油黑的快，有可能是PCV杜塞

来源: chuwang 于 2024-10-31 15:58:25 [旧帖] [给我悄悄话] 本文已被阅读：次

PCV堵塞，活塞里面漏出来gas里面的硫等物质会使得机油变黑

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